diff --git a/TracyOpenGL.hpp b/TracyOpenGL.hpp
index 8a69cb93..19adf2be 100644
--- a/TracyOpenGL.hpp
+++ b/TracyOpenGL.hpp
@@ -253,6 +253,7 @@ public:
         auto item = token->enqueue_begin( magic );
         MemWrite( &item->hdr.type, QueueType::GpuZoneEnd );
         MemWrite( &item->gpuZoneEnd.cpuTime, Profiler::GetTime() );
+        memset( &item->gpuZoneEnd.thread, 0, sizeof( item->gpuZoneEnd.thread ) );
         MemWrite( &item->gpuZoneEnd.queryId, uint16_t( queryId ) );
         MemWrite( &item->gpuZoneEnd.context, GetGpuCtx().ptr->GetId() );
         tail.store( magic + 1, std::memory_order_release );
diff --git a/TracyVulkan.hpp b/TracyVulkan.hpp
index d95d8682..be87eb38 100644
--- a/TracyVulkan.hpp
+++ b/TracyVulkan.hpp
@@ -256,6 +256,7 @@ public:
         auto item = Profiler::QueueSerial();
         MemWrite( &item->hdr.type, QueueType::GpuZoneEnd );
         MemWrite( &item->gpuZoneEnd.cpuTime, Profiler::GetTime() );
+        MemWrite( &item->gpuZoneEnd.thread, GetThreadHandle() );
         MemWrite( &item->gpuZoneEnd.queryId, uint16_t( queryId ) );
         MemWrite( &item->gpuZoneEnd.context, m_ctx->GetId() );
         Profiler::QueueSerialFinish();
diff --git a/common/TracyProtocol.hpp b/common/TracyProtocol.hpp
index 3cb30994..461cce39 100644
--- a/common/TracyProtocol.hpp
+++ b/common/TracyProtocol.hpp
@@ -9,7 +9,7 @@
 namespace tracy
 {
 
-enum : uint32_t { ProtocolVersion = 17 };
+enum : uint32_t { ProtocolVersion = 18 };
 enum : uint32_t { BroadcastVersion = 0 };
 
 using lz4sz_t = uint32_t;
diff --git a/common/TracyQueue.hpp b/common/TracyQueue.hpp
index e5dd784a..0622c632 100644
--- a/common/TracyQueue.hpp
+++ b/common/TracyQueue.hpp
@@ -237,6 +237,7 @@ struct QueueGpuZoneBegin
 struct QueueGpuZoneEnd
 {
     int64_t cpuTime;
+    uint64_t thread;
     uint16_t queryId;
     uint8_t context;
 };